Media type: E-Article Title: Cyclic invariance for discrete time-delay systems Contributor: Lombardi, Warody; Olaru, Sorin; Bitsoris, Georges; Niculescu, Silviu-Iulian Published: Elsevier BV, 2012 Published in: Automatica, 48 (2012) 10, Seite 2730-2733 Language: English DOI: 10.1016/j.automatica.2012.06.097 ISSN: 0005-1098 Origination: Footnote: